18995250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 128

約数和(自身を含む): 52715520

約数和(自身を除く): 33720270

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 31, 38, 43, 50, 57, 62, 75, 86, 93, 95, 114, 125, 129, 150, 155, 186, 190, 215, 250, 258, 285, 310, 375, 430, 465, 475, 570, 589, 645, 750, 775, 817, 930, 950, 1075, 1178, 1290, 1333, 1425, 1550, 1634, 1767, 2150, 2325, 2375, 2451, 2666, 2850, 2945, 3225, 3534, 3875, 3999, 4085, 4650, 4750, 4902, 5375, 5890, 6450, 6665, 7125, 7750, 7998, 8170, 8835, 10750, 11625, 12255, 13330, 14250, 14725, 16125, 17670, 19995, 20425, 23250, 24510, 25327, 29450, 32250, 33325, 39990, 40850, 44175, 50654, 61275, 66650, 73625, 75981, 88350, 99975, 102125, 122550, 126635, 147250, 151962, 166625, 199950, 204250, 220875, 253270, 306375, 333250, 379905, 441750, 499875, 612750, 633175, 759810, 999750, 1266350, 1899525, 3165875, 3799050, 6331750, 9497625, 18995250]

約数ペア:

[(1, 18995250), (2, 9497625), (3, 6331750), (5, 3799050), (6, 3165875), (10, 1899525), (15, 1266350), (19, 999750), (25, 759810), (30, 633175), (31, 612750), (38, 499875), (43, 441750), (50, 379905), (57, 333250), (62, 306375), (75, 253270), (86, 220875), (93, 204250), (95, 199950), (114, 166625), (125, 151962), (129, 147250), (150, 126635), (155, 122550), (186, 102125), (190, 99975), (215, 88350), (250, 75981), (258, 73625), (285, 66650), (310, 61275), (375, 50654), (430, 44175), (465, 40850), (475, 39990), (570, 33325), (589, 32250), (645, 29450), (750, 25327), (775, 24510), (817, 23250), (930, 20425), (950, 19995), (1075, 17670), (1178, 16125), (1290, 14725), (1333, 14250), (1425, 13330), (1550, 12255), (1634, 11625), (1767, 10750), (2150, 8835), (2325, 8170), (2375, 7998), (2451, 7750), (2666, 7125), (2850, 6665), (2945, 6450), (3225, 5890), (3534, 5375), (3875, 4902), (3999, 4750), (4085, 4650)]