19667640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 64696320

約数和(自身を除く): 45028680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 311, 340, 372, 408, 465, 510, 527, 620, 622, 680, 744, 930, 933, 1020, 1054, 1240, 1244, 1555, 1581, 1860, 1866, 2040, 2108, 2488, 2635, 3110, 3162, 3720, 3732, 4216, 4665, 5270, 5287, 6220, 6324, 7464, 7905, 9330, 9641, 10540, 10574, 12440, 12648, 15810, 15861, 18660, 19282, 21080, 21148, 26435, 28923, 31620, 31722, 37320, 38564, 42296, 48205, 52870, 57846, 63240, 63444, 77128, 79305, 96410, 105740, 115692, 126888, 144615, 158610, 163897, 192820, 211480, 231384, 289230, 317220, 327794, 385640, 491691, 578460, 634440, 655588, 819485, 983382, 1156920, 1311176, 1638970, 1966764, 2458455, 3277940, 3933528, 4916910, 6555880, 9833820, 19667640]

約数ペア:

[(1, 19667640), (2, 9833820), (3, 6555880), (4, 4916910), (5, 3933528), (6, 3277940), (8, 2458455), (10, 1966764), (12, 1638970), (15, 1311176), (17, 1156920), (20, 983382), (24, 819485), (30, 655588), (31, 634440), (34, 578460), (40, 491691), (51, 385640), (60, 327794), (62, 317220), (68, 289230), (85, 231384), (93, 211480), (102, 192820), (120, 163897), (124, 158610), (136, 144615), (155, 126888), (170, 115692), (186, 105740), (204, 96410), (248, 79305), (255, 77128), (310, 63444), (311, 63240), (340, 57846), (372, 52870), (408, 48205), (465, 42296), (510, 38564), (527, 37320), (620, 31722), (622, 31620), (680, 28923), (744, 26435), (930, 21148), (933, 21080), (1020, 19282), (1054, 18660), (1240, 15861), (1244, 15810), (1555, 12648), (1581, 12440), (1860, 10574), (1866, 10540), (2040, 9641), (2108, 9330), (2488, 7905), (2635, 7464), (3110, 6324), (3162, 6220), (3720, 5287), (3732, 5270), (4216, 4665)]