19636144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 44282880

約数和(自身を除く): 24646736

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 59, 61, 62, 88, 118, 122, 124, 176, 236, 244, 248, 341, 472, 488, 496, 649, 671, 682, 944, 976, 1298, 1342, 1364, 1829, 1891, 2596, 2684, 2728, 3599, 3658, 3782, 5192, 5368, 5456, 7198, 7316, 7564, 10384, 10736, 14396, 14632, 15128, 20119, 20801, 28792, 29264, 30256, 39589, 40238, 41602, 57584, 79178, 80476, 83204, 111569, 158356, 160952, 166408, 223138, 316712, 321904, 332816, 446276, 633424, 892552, 1227259, 1785104, 2454518, 4909036, 9818072, 19636144]

約数ペア:

[(1, 19636144), (2, 9818072), (4, 4909036), (8, 2454518), (11, 1785104), (16, 1227259), (22, 892552), (31, 633424), (44, 446276), (59, 332816), (61, 321904), (62, 316712), (88, 223138), (118, 166408), (122, 160952), (124, 158356), (176, 111569), (236, 83204), (244, 80476), (248, 79178), (341, 57584), (472, 41602), (488, 40238), (496, 39589), (649, 30256), (671, 29264), (682, 28792), (944, 20801), (976, 20119), (1298, 15128), (1342, 14632), (1364, 14396), (1829, 10736), (1891, 10384), (2596, 7564), (2684, 7316), (2728, 7198), (3599, 5456), (3658, 5368), (3782, 5192)]