19838728

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 96

約数和(自身を含む): 49555800

約数和(自身を除く): 29717072

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 49, 52, 56, 68, 91, 98, 104, 119, 136, 182, 196, 221, 229, 238, 364, 392, 442, 458, 476, 637, 728, 833, 884, 916, 952, 1274, 1547, 1603, 1666, 1768, 1832, 2548, 2977, 3094, 3206, 3332, 3893, 5096, 5954, 6188, 6412, 6664, 7786, 10829, 11221, 11908, 12376, 12824, 15572, 20839, 21658, 22442, 23816, 27251, 31144, 41678, 43316, 44884, 50609, 54502, 83356, 86632, 89768, 101218, 109004, 145873, 166712, 190757, 202436, 218008, 291746, 354263, 381514, 404872, 583492, 708526, 763028, 1166984, 1417052, 1526056, 2479841, 2834104, 4959682, 9919364, 19838728]

約数ペア:

[(1, 19838728), (2, 9919364), (4, 4959682), (7, 2834104), (8, 2479841), (13, 1526056), (14, 1417052), (17, 1166984), (26, 763028), (28, 708526), (34, 583492), (49, 404872), (52, 381514), (56, 354263), (68, 291746), (91, 218008), (98, 202436), (104, 190757), (119, 166712), (136, 145873), (182, 109004), (196, 101218), (221, 89768), (229, 86632), (238, 83356), (364, 54502), (392, 50609), (442, 44884), (458, 43316), (476, 41678), (637, 31144), (728, 27251), (833, 23816), (884, 22442), (916, 21658), (952, 20839), (1274, 15572), (1547, 12824), (1603, 12376), (1666, 11908), (1768, 11221), (1832, 10829), (2548, 7786), (2977, 6664), (3094, 6412), (3206, 6188), (3332, 5954), (3893, 5096)]