18813645900

素因数分解:

$2^2\times 3^3\times 5^2\times 7^1\times {\mathrm{995431}}^1$

素因数の和:995461

約数の個数: 144

約数和(自身を含む): 69122798080

約数和(自身を除く): 50309152180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 84, 90, 100, 105, 108, 126, 135, 140, 150, 175, 180, 189, 210, 225, 252, 270, 300, 315, 350, 378, 420, 450, 525, 540, 630, 675, 700, 756, 900, 945, 1050, 1260, 1350, 1575, 1890, 2100, 2700, 3150, 3780, 4725, 6300, 9450, 18900, 995431, 1990862, 2986293, 3981724, 4977155, 5972586, 6968017, 8958879, 9954310, 11945172, 13936034, 14931465, 17917758, 19908620, 20904051, 24885775, 26876637, 27872068, 29862930, 34840085, 35835516, 41808102, 44794395, 49771550, 53753274, 59725860, 62712153, 69680170, 74657325, 83616204, 89588790, 99543100, 104520255, 107506548, 125424306, 134383185, 139360340, 149314650, 174200425, 179177580, 188136459, 209040510, 223971975, 250848612, 268766370, 298629300, 313560765, 348400850, 376272918, 418081020, 447943950, 522601275, 537532740, 627121530, 671915925, 696801700, 752545836, 895887900, 940682295, 1045202550, 1254243060, 1343831850, 1567803825, 1881364590, 2090405100, 2687663700, 3135607650, 3762729180, 4703411475, 6271215300, 9406822950, 18813645900]

約数ペア:

[(1, 18813645900), (2, 9406822950), (3, 6271215300), (4, 4703411475), (5, 3762729180), (6, 3135607650), (7, 2687663700), (9, 2090405100), (10, 1881364590), (12, 1567803825), (14, 1343831850), (15, 1254243060), (18, 1045202550), (20, 940682295), (21, 895887900), (25, 752545836), (27, 696801700), (28, 671915925), (30, 627121530), (35, 537532740), (36, 522601275), (42, 447943950), (45, 418081020), (50, 376272918), (54, 348400850), (60, 313560765), (63, 298629300), (70, 268766370), (75, 250848612), (84, 223971975), (90, 209040510), (100, 188136459), (105, 179177580), (108, 174200425), (126, 149314650), (135, 139360340), (140, 134383185), (150, 125424306), (175, 107506548), (180, 104520255), (189, 99543100), (210, 89588790), (225, 83616204), (252, 74657325), (270, 69680170), (300, 62712153), (315, 59725860), (350, 53753274), (378, 49771550), (420, 44794395), (450, 41808102), (525, 35835516), (540, 34840085), (630, 29862930), (675, 27872068), (700, 26876637), (756, 24885775), (900, 20904051), (945, 19908620), (1050, 17917758), (1260, 14931465), (1350, 13936034), (1575, 11945172), (1890, 9954310), (2100, 8958879), (2700, 6968017), (3150, 5972586), (3780, 4977155), (4725, 3981724), (6300, 2986293), (9450, 1990862), (18900, 995431)]