18780048

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:653

約数の個数: 120

約数和(自身を含む): 62107136

約数和(自身を除く): 43327088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 36, 42, 48, 56, 62, 63, 72, 84, 93, 112, 124, 126, 144, 168, 186, 217, 248, 252, 279, 336, 372, 434, 496, 504, 558, 601, 651, 744, 868, 1008, 1116, 1202, 1302, 1488, 1736, 1803, 1953, 2232, 2404, 2604, 3472, 3606, 3906, 4207, 4464, 4808, 5208, 5409, 7212, 7812, 8414, 9616, 10416, 10818, 12621, 14424, 15624, 16828, 18631, 21636, 25242, 28848, 31248, 33656, 37262, 37863, 43272, 50484, 55893, 67312, 74524, 75726, 86544, 100968, 111786, 130417, 149048, 151452, 167679, 201936, 223572, 260834, 298096, 302904, 335358, 391251, 447144, 521668, 605808, 670716, 782502, 894288, 1043336, 1173753, 1341432, 1565004, 2086672, 2347506, 2682864, 3130008, 4695012, 6260016, 9390024, 18780048]

約数ペア:

[(1, 18780048), (2, 9390024), (3, 6260016), (4, 4695012), (6, 3130008), (7, 2682864), (8, 2347506), (9, 2086672), (12, 1565004), (14, 1341432), (16, 1173753), (18, 1043336), (21, 894288), (24, 782502), (28, 670716), (31, 605808), (36, 521668), (42, 447144), (48, 391251), (56, 335358), (62, 302904), (63, 298096), (72, 260834), (84, 223572), (93, 201936), (112, 167679), (124, 151452), (126, 149048), (144, 130417), (168, 111786), (186, 100968), (217, 86544), (248, 75726), (252, 74524), (279, 67312), (336, 55893), (372, 50484), (434, 43272), (496, 37863), (504, 37262), (558, 33656), (601, 31248), (651, 28848), (744, 25242), (868, 21636), (1008, 18631), (1116, 16828), (1202, 15624), (1302, 14424), (1488, 12621), (1736, 10818), (1803, 10416), (1953, 9616), (2232, 8414), (2404, 7812), (2604, 7212), (3472, 5409), (3606, 5208), (3906, 4808), (4207, 4464)]