19388700

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:233

約数の個数: 144

約数和(自身を含む): 64162560

約数和(自身を除く): 44773860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 43, 45, 50, 54, 60, 75, 86, 90, 100, 108, 129, 135, 150, 167, 172, 180, 215, 225, 258, 270, 300, 334, 387, 430, 450, 501, 516, 540, 645, 668, 675, 774, 835, 860, 900, 1002, 1075, 1161, 1290, 1350, 1503, 1548, 1670, 1935, 2004, 2150, 2322, 2505, 2580, 2700, 3006, 3225, 3340, 3870, 4175, 4300, 4509, 4644, 5010, 5805, 6012, 6450, 7181, 7515, 7740, 8350, 9018, 9675, 10020, 11610, 12525, 12900, 14362, 15030, 16700, 18036, 19350, 21543, 22545, 23220, 25050, 28724, 29025, 30060, 35905, 37575, 38700, 43086, 45090, 50100, 58050, 64629, 71810, 75150, 86172, 90180, 107715, 112725, 116100, 129258, 143620, 150300, 179525, 193887, 215430, 225450, 258516, 323145, 359050, 387774, 430860, 450900, 538575, 646290, 718100, 775548, 969435, 1077150, 1292580, 1615725, 1938870, 2154300, 3231450, 3877740, 4847175, 6462900, 9694350, 19388700]

約数ペア:

[(1, 19388700), (2, 9694350), (3, 6462900), (4, 4847175), (5, 3877740), (6, 3231450), (9, 2154300), (10, 1938870), (12, 1615725), (15, 1292580), (18, 1077150), (20, 969435), (25, 775548), (27, 718100), (30, 646290), (36, 538575), (43, 450900), (45, 430860), (50, 387774), (54, 359050), (60, 323145), (75, 258516), (86, 225450), (90, 215430), (100, 193887), (108, 179525), (129, 150300), (135, 143620), (150, 129258), (167, 116100), (172, 112725), (180, 107715), (215, 90180), (225, 86172), (258, 75150), (270, 71810), (300, 64629), (334, 58050), (387, 50100), (430, 45090), (450, 43086), (501, 38700), (516, 37575), (540, 35905), (645, 30060), (668, 29025), (675, 28724), (774, 25050), (835, 23220), (860, 22545), (900, 21543), (1002, 19350), (1075, 18036), (1161, 16700), (1290, 15030), (1350, 14362), (1503, 12900), (1548, 12525), (1670, 11610), (1935, 10020), (2004, 9675), (2150, 9018), (2322, 8350), (2505, 7740), (2580, 7515), (2700, 7181), (3006, 6450), (3225, 6012), (3340, 5805), (3870, 5010), (4175, 4644), (4300, 4509)]