18643950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3187}}^1$

素因数の和:3218

約数の個数: 72

約数和(自身を含む): 53960088

約数和(自身を除く): 35316138

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3187, 5850, 6374, 9561, 15935, 19122, 28683, 31870, 41431, 47805, 57366, 79675, 82862, 95610, 124293, 143415, 159350, 207155, 239025, 248586, 286830, 372879, 414310, 478050, 621465, 717075, 745758, 1035775, 1242930, 1434150, 1864395, 2071550, 3107325, 3728790, 6214650, 9321975, 18643950]

約数ペア:

[(1, 18643950), (2, 9321975), (3, 6214650), (5, 3728790), (6, 3107325), (9, 2071550), (10, 1864395), (13, 1434150), (15, 1242930), (18, 1035775), (25, 745758), (26, 717075), (30, 621465), (39, 478050), (45, 414310), (50, 372879), (65, 286830), (75, 248586), (78, 239025), (90, 207155), (117, 159350), (130, 143415), (150, 124293), (195, 95610), (225, 82862), (234, 79675), (325, 57366), (390, 47805), (450, 41431), (585, 31870), (650, 28683), (975, 19122), (1170, 15935), (1950, 9561), (2925, 6374), (3187, 5850)]