18759356

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{113}}^1$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 42453600

約数和(自身を除く): 23694244

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 113, 121, 154, 196, 226, 242, 308, 343, 452, 484, 539, 686, 791, 847, 1078, 1243, 1372, 1582, 1694, 2156, 2486, 3164, 3388, 3773, 4972, 5537, 5929, 7546, 8701, 11074, 11858, 13673, 15092, 17402, 22148, 23716, 27346, 34804, 38759, 41503, 54692, 60907, 77518, 83006, 95711, 121814, 155036, 166012, 191422, 243628, 382844, 426349, 669977, 852698, 1339954, 1705396, 2679908, 4689839, 9379678, 18759356]

約数ペア:

[(1, 18759356), (2, 9379678), (4, 4689839), (7, 2679908), (11, 1705396), (14, 1339954), (22, 852698), (28, 669977), (44, 426349), (49, 382844), (77, 243628), (98, 191422), (113, 166012), (121, 155036), (154, 121814), (196, 95711), (226, 83006), (242, 77518), (308, 60907), (343, 54692), (452, 41503), (484, 38759), (539, 34804), (686, 27346), (791, 23716), (847, 22148), (1078, 17402), (1243, 15092), (1372, 13673), (1582, 11858), (1694, 11074), (2156, 8701), (2486, 7546), (3164, 5929), (3388, 5537), (3773, 4972)]