18936450

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 57183840

約数和(自身を除く): 38247390

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 83, 90, 117, 130, 135, 150, 166, 169, 195, 225, 234, 249, 270, 325, 338, 351, 390, 415, 450, 498, 507, 585, 650, 675, 702, 747, 830, 845, 975, 1014, 1079, 1170, 1245, 1350, 1494, 1521, 1690, 1755, 1950, 2075, 2158, 2241, 2490, 2535, 2925, 3042, 3237, 3510, 3735, 4150, 4225, 4482, 4563, 5070, 5395, 5850, 6225, 6474, 7470, 7605, 8450, 8775, 9126, 9711, 10790, 11205, 12450, 12675, 14027, 15210, 16185, 17550, 18675, 19422, 22410, 22815, 25350, 26975, 28054, 29133, 32370, 37350, 38025, 42081, 45630, 48555, 53950, 56025, 58266, 70135, 76050, 80925, 84162, 97110, 112050, 114075, 126243, 140270, 145665, 161850, 210405, 228150, 242775, 252486, 291330, 350675, 378729, 420810, 485550, 631215, 701350, 728325, 757458, 1052025, 1262430, 1456650, 1893645, 2104050, 3156075, 3787290, 6312150, 9468225, 18936450]

約数ペア:

[(1, 18936450), (2, 9468225), (3, 6312150), (5, 3787290), (6, 3156075), (9, 2104050), (10, 1893645), (13, 1456650), (15, 1262430), (18, 1052025), (25, 757458), (26, 728325), (27, 701350), (30, 631215), (39, 485550), (45, 420810), (50, 378729), (54, 350675), (65, 291330), (75, 252486), (78, 242775), (83, 228150), (90, 210405), (117, 161850), (130, 145665), (135, 140270), (150, 126243), (166, 114075), (169, 112050), (195, 97110), (225, 84162), (234, 80925), (249, 76050), (270, 70135), (325, 58266), (338, 56025), (351, 53950), (390, 48555), (415, 45630), (450, 42081), (498, 38025), (507, 37350), (585, 32370), (650, 29133), (675, 28054), (702, 26975), (747, 25350), (830, 22815), (845, 22410), (975, 19422), (1014, 18675), (1079, 17550), (1170, 16185), (1245, 15210), (1350, 14027), (1494, 12675), (1521, 12450), (1690, 11205), (1755, 10790), (1950, 9711), (2075, 9126), (2158, 8775), (2241, 8450), (2490, 7605), (2535, 7470), (2925, 6474), (3042, 6225), (3237, 5850), (3510, 5395), (3735, 5070), (4150, 4563), (4225, 4482)]