19850288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 25146832

約数列:

[1, 2, 4, 8, 16, 17, 19, 23, 34, 38, 46, 68, 76, 92, 136, 152, 167, 184, 272, 304, 323, 334, 368, 391, 437, 646, 668, 782, 874, 1292, 1336, 1564, 1748, 2584, 2672, 2839, 3128, 3173, 3496, 3841, 5168, 5678, 6256, 6346, 6992, 7429, 7682, 11356, 12692, 14858, 15364, 22712, 25384, 29716, 30728, 45424, 50768, 53941, 59432, 61456, 65297, 72979, 107882, 118864, 130594, 145958, 215764, 261188, 291916, 431528, 522376, 583832, 863056, 1044752, 1167664, 1240643, 2481286, 4962572, 9925144, 19850288]

約数ペア:

[(1, 19850288), (2, 9925144), (4, 4962572), (8, 2481286), (16, 1240643), (17, 1167664), (19, 1044752), (23, 863056), (34, 583832), (38, 522376), (46, 431528), (68, 291916), (76, 261188), (92, 215764), (136, 145958), (152, 130594), (167, 118864), (184, 107882), (272, 72979), (304, 65297), (323, 61456), (334, 59432), (368, 53941), (391, 50768), (437, 45424), (646, 30728), (668, 29716), (782, 25384), (874, 22712), (1292, 15364), (1336, 14858), (1564, 12692), (1748, 11356), (2584, 7682), (2672, 7429), (2839, 6992), (3128, 6346), (3173, 6256), (3496, 5678), (3841, 5168)]