18381000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:592

約数の個数: 128

約数和(自身を含む): 62674560

約数和(自身を除く): 44293560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 25, 30, 33, 40, 44, 50, 55, 60, 66, 75, 88, 100, 110, 120, 125, 132, 150, 165, 200, 220, 250, 264, 275, 300, 330, 375, 440, 500, 550, 557, 600, 660, 750, 825, 1000, 1100, 1114, 1320, 1375, 1500, 1650, 1671, 2200, 2228, 2750, 2785, 3000, 3300, 3342, 4125, 4456, 5500, 5570, 6127, 6600, 6684, 8250, 8355, 11000, 11140, 12254, 13368, 13925, 16500, 16710, 18381, 22280, 24508, 27850, 30635, 33000, 33420, 36762, 41775, 49016, 55700, 61270, 66840, 69625, 73524, 83550, 91905, 111400, 122540, 139250, 147048, 153175, 167100, 183810, 208875, 245080, 278500, 306350, 334200, 367620, 417750, 459525, 557000, 612700, 735240, 765875, 835500, 919050, 1225400, 1531750, 1671000, 1838100, 2297625, 3063500, 3676200, 4595250, 6127000, 9190500, 18381000]

約数ペア:

[(1, 18381000), (2, 9190500), (3, 6127000), (4, 4595250), (5, 3676200), (6, 3063500), (8, 2297625), (10, 1838100), (11, 1671000), (12, 1531750), (15, 1225400), (20, 919050), (22, 835500), (24, 765875), (25, 735240), (30, 612700), (33, 557000), (40, 459525), (44, 417750), (50, 367620), (55, 334200), (60, 306350), (66, 278500), (75, 245080), (88, 208875), (100, 183810), (110, 167100), (120, 153175), (125, 147048), (132, 139250), (150, 122540), (165, 111400), (200, 91905), (220, 83550), (250, 73524), (264, 69625), (275, 66840), (300, 61270), (330, 55700), (375, 49016), (440, 41775), (500, 36762), (550, 33420), (557, 33000), (600, 30635), (660, 27850), (750, 24508), (825, 22280), (1000, 18381), (1100, 16710), (1114, 16500), (1320, 13925), (1375, 13368), (1500, 12254), (1650, 11140), (1671, 11000), (2200, 8355), (2228, 8250), (2750, 6684), (2785, 6600), (3000, 6127), (3300, 5570), (3342, 5500), (4125, 4456)]