18987300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 162

約数和(自身を含む): 64087478

約数和(自身を除く): 45100178

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 34, 36, 45, 50, 51, 60, 68, 73, 75, 85, 90, 100, 102, 146, 150, 153, 170, 180, 204, 219, 225, 255, 289, 292, 300, 306, 340, 365, 425, 438, 450, 510, 578, 612, 657, 730, 765, 850, 867, 876, 900, 1020, 1095, 1156, 1241, 1275, 1314, 1445, 1460, 1530, 1700, 1734, 1825, 2190, 2482, 2550, 2601, 2628, 2890, 3060, 3285, 3468, 3650, 3723, 3825, 4335, 4380, 4964, 5100, 5202, 5475, 5780, 6205, 6570, 7225, 7300, 7446, 7650, 8670, 10404, 10950, 11169, 12410, 13005, 13140, 14450, 14892, 15300, 16425, 17340, 18615, 21097, 21675, 21900, 22338, 24820, 26010, 28900, 31025, 32850, 37230, 42194, 43350, 44676, 52020, 55845, 62050, 63291, 65025, 65700, 74460, 84388, 86700, 93075, 105485, 111690, 124100, 126582, 130050, 186150, 189873, 210970, 223380, 253164, 260100, 279225, 316455, 372300, 379746, 421940, 527425, 558450, 632910, 759492, 949365, 1054850, 1116900, 1265820, 1582275, 1898730, 2109700, 3164550, 3797460, 4746825, 6329100, 9493650, 18987300]

約数ペア:

[(1, 18987300), (2, 9493650), (3, 6329100), (4, 4746825), (5, 3797460), (6, 3164550), (9, 2109700), (10, 1898730), (12, 1582275), (15, 1265820), (17, 1116900), (18, 1054850), (20, 949365), (25, 759492), (30, 632910), (34, 558450), (36, 527425), (45, 421940), (50, 379746), (51, 372300), (60, 316455), (68, 279225), (73, 260100), (75, 253164), (85, 223380), (90, 210970), (100, 189873), (102, 186150), (146, 130050), (150, 126582), (153, 124100), (170, 111690), (180, 105485), (204, 93075), (219, 86700), (225, 84388), (255, 74460), (289, 65700), (292, 65025), (300, 63291), (306, 62050), (340, 55845), (365, 52020), (425, 44676), (438, 43350), (450, 42194), (510, 37230), (578, 32850), (612, 31025), (657, 28900), (730, 26010), (765, 24820), (850, 22338), (867, 21900), (876, 21675), (900, 21097), (1020, 18615), (1095, 17340), (1156, 16425), (1241, 15300), (1275, 14892), (1314, 14450), (1445, 13140), (1460, 13005), (1530, 12410), (1700, 11169), (1734, 10950), (1825, 10404), (2190, 8670), (2482, 7650), (2550, 7446), (2601, 7300), (2628, 7225), (2890, 6570), (3060, 6205), (3285, 5780), (3468, 5475), (3650, 5202), (3723, 5100), (3825, 4964), (4335, 4380)]