18913050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 56668248

約数和(自身を除く): 37755198

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 53, 61, 65, 75, 78, 90, 106, 117, 122, 130, 150, 159, 183, 195, 225, 234, 265, 305, 318, 325, 366, 390, 450, 477, 530, 549, 585, 610, 650, 689, 793, 795, 915, 954, 975, 1098, 1170, 1325, 1378, 1525, 1586, 1590, 1830, 1950, 2067, 2379, 2385, 2650, 2745, 2925, 3050, 3233, 3445, 3965, 3975, 4134, 4575, 4758, 4770, 5490, 5850, 6201, 6466, 6890, 7137, 7930, 7950, 9150, 9699, 10335, 11895, 11925, 12402, 13725, 14274, 16165, 17225, 19398, 19825, 20670, 23790, 23850, 27450, 29097, 31005, 32330, 34450, 35685, 39650, 42029, 48495, 51675, 58194, 59475, 62010, 71370, 80825, 84058, 96990, 103350, 118950, 126087, 145485, 155025, 161650, 178425, 210145, 242475, 252174, 290970, 310050, 356850, 378261, 420290, 484950, 630435, 727425, 756522, 1050725, 1260870, 1454850, 1891305, 2101450, 3152175, 3782610, 6304350, 9456525, 18913050]

約数ペア:

[(1, 18913050), (2, 9456525), (3, 6304350), (5, 3782610), (6, 3152175), (9, 2101450), (10, 1891305), (13, 1454850), (15, 1260870), (18, 1050725), (25, 756522), (26, 727425), (30, 630435), (39, 484950), (45, 420290), (50, 378261), (53, 356850), (61, 310050), (65, 290970), (75, 252174), (78, 242475), (90, 210145), (106, 178425), (117, 161650), (122, 155025), (130, 145485), (150, 126087), (159, 118950), (183, 103350), (195, 96990), (225, 84058), (234, 80825), (265, 71370), (305, 62010), (318, 59475), (325, 58194), (366, 51675), (390, 48495), (450, 42029), (477, 39650), (530, 35685), (549, 34450), (585, 32330), (610, 31005), (650, 29097), (689, 27450), (793, 23850), (795, 23790), (915, 20670), (954, 19825), (975, 19398), (1098, 17225), (1170, 16165), (1325, 14274), (1378, 13725), (1525, 12402), (1586, 11925), (1590, 11895), (1830, 10335), (1950, 9699), (2067, 9150), (2379, 7950), (2385, 7930), (2650, 7137), (2745, 6890), (2925, 6466), (3050, 6201), (3233, 5850), (3445, 5490), (3965, 4770), (3975, 4758), (4134, 4575)]