18492760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:149

約数の個数: 128

約数和(自身を含む): 50621760

約数和(自身を除く): 32129000

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 53, 55, 61, 65, 88, 104, 106, 110, 122, 130, 143, 212, 220, 244, 260, 265, 286, 305, 424, 440, 488, 520, 530, 572, 583, 610, 671, 689, 715, 793, 1060, 1144, 1166, 1220, 1342, 1378, 1430, 1586, 2120, 2332, 2440, 2684, 2756, 2860, 2915, 3172, 3233, 3355, 3445, 3965, 4664, 5368, 5512, 5720, 5830, 6344, 6466, 6710, 6890, 7579, 7930, 8723, 11660, 12932, 13420, 13780, 15158, 15860, 16165, 17446, 23320, 25864, 26840, 27560, 30316, 31720, 32330, 34892, 35563, 37895, 42029, 43615, 60632, 64660, 69784, 71126, 75790, 84058, 87230, 129320, 142252, 151580, 168116, 174460, 177815, 210145, 284504, 303160, 336232, 348920, 355630, 420290, 462319, 711260, 840580, 924638, 1422520, 1681160, 1849276, 2311595, 3698552, 4623190, 9246380, 18492760]

約数ペア:

[(1, 18492760), (2, 9246380), (4, 4623190), (5, 3698552), (8, 2311595), (10, 1849276), (11, 1681160), (13, 1422520), (20, 924638), (22, 840580), (26, 711260), (40, 462319), (44, 420290), (52, 355630), (53, 348920), (55, 336232), (61, 303160), (65, 284504), (88, 210145), (104, 177815), (106, 174460), (110, 168116), (122, 151580), (130, 142252), (143, 129320), (212, 87230), (220, 84058), (244, 75790), (260, 71126), (265, 69784), (286, 64660), (305, 60632), (424, 43615), (440, 42029), (488, 37895), (520, 35563), (530, 34892), (572, 32330), (583, 31720), (610, 30316), (671, 27560), (689, 26840), (715, 25864), (793, 23320), (1060, 17446), (1144, 16165), (1166, 15860), (1220, 15158), (1342, 13780), (1378, 13420), (1430, 12932), (1586, 11660), (2120, 8723), (2332, 7930), (2440, 7579), (2684, 6890), (2756, 6710), (2860, 6466), (2915, 6344), (3172, 5830), (3233, 5720), (3355, 5512), (3445, 5368), (3965, 4664)]