18907140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 144

約数和(自身を含む): 63201600

約数和(自身を除く): 44294460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 59, 60, 70, 84, 98, 105, 109, 118, 140, 147, 177, 196, 210, 218, 236, 245, 294, 295, 327, 354, 413, 420, 436, 490, 545, 588, 590, 654, 708, 735, 763, 826, 885, 980, 1090, 1180, 1239, 1308, 1470, 1526, 1635, 1652, 1770, 2065, 2180, 2289, 2478, 2891, 2940, 3052, 3270, 3540, 3815, 4130, 4578, 4956, 5341, 5782, 6195, 6431, 6540, 7630, 8260, 8673, 9156, 10682, 11445, 11564, 12390, 12862, 14455, 15260, 16023, 17346, 19293, 21364, 22890, 24780, 25724, 26705, 28910, 32046, 32155, 34692, 38586, 43365, 45017, 45780, 53410, 57820, 64092, 64310, 77172, 80115, 86730, 90034, 96465, 106820, 128620, 135051, 160230, 173460, 180068, 192930, 225085, 270102, 315119, 320460, 385860, 450170, 540204, 630238, 675255, 900340, 945357, 1260476, 1350510, 1575595, 1890714, 2701020, 3151190, 3781428, 4726785, 6302380, 9453570, 18907140]

約数ペア:

[(1, 18907140), (2, 9453570), (3, 6302380), (4, 4726785), (5, 3781428), (6, 3151190), (7, 2701020), (10, 1890714), (12, 1575595), (14, 1350510), (15, 1260476), (20, 945357), (21, 900340), (28, 675255), (30, 630238), (35, 540204), (42, 450170), (49, 385860), (59, 320460), (60, 315119), (70, 270102), (84, 225085), (98, 192930), (105, 180068), (109, 173460), (118, 160230), (140, 135051), (147, 128620), (177, 106820), (196, 96465), (210, 90034), (218, 86730), (236, 80115), (245, 77172), (294, 64310), (295, 64092), (327, 57820), (354, 53410), (413, 45780), (420, 45017), (436, 43365), (490, 38586), (545, 34692), (588, 32155), (590, 32046), (654, 28910), (708, 26705), (735, 25724), (763, 24780), (826, 22890), (885, 21364), (980, 19293), (1090, 17346), (1180, 16023), (1239, 15260), (1308, 14455), (1470, 12862), (1526, 12390), (1635, 11564), (1652, 11445), (1770, 10682), (2065, 9156), (2180, 8673), (2289, 8260), (2478, 7630), (2891, 6540), (2940, 6431), (3052, 6195), (3270, 5782), (3540, 5341), (3815, 4956), (4130, 4578)]