19187872

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{151}}^1$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 43781472

約数和(自身を除く): 24593600

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 151, 152, 176, 209, 302, 304, 352, 361, 418, 604, 608, 722, 836, 1208, 1444, 1661, 1672, 2416, 2869, 2888, 3322, 3344, 3971, 4832, 5738, 5776, 6644, 6688, 7942, 11476, 11552, 13288, 15884, 22952, 26576, 31559, 31768, 45904, 53152, 54511, 63118, 63536, 91808, 109022, 126236, 127072, 218044, 252472, 436088, 504944, 599621, 872176, 1009888, 1199242, 1744352, 2398484, 4796968, 9593936, 19187872]

約数ペア:

[(1, 19187872), (2, 9593936), (4, 4796968), (8, 2398484), (11, 1744352), (16, 1199242), (19, 1009888), (22, 872176), (32, 599621), (38, 504944), (44, 436088), (76, 252472), (88, 218044), (151, 127072), (152, 126236), (176, 109022), (209, 91808), (302, 63536), (304, 63118), (352, 54511), (361, 53152), (418, 45904), (604, 31768), (608, 31559), (722, 26576), (836, 22952), (1208, 15884), (1444, 13288), (1661, 11552), (1672, 11476), (2416, 7942), (2869, 6688), (2888, 6644), (3322, 5776), (3344, 5738), (3971, 4832)]