19157390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 41942016

約数和(自身を除く): 22784626

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 73, 115, 146, 161, 163, 230, 322, 326, 365, 511, 730, 805, 815, 1022, 1141, 1610, 1630, 1679, 2282, 2555, 3358, 3749, 5110, 5705, 7498, 8395, 11410, 11753, 11899, 16790, 18745, 23506, 23798, 26243, 37490, 52486, 58765, 59495, 83293, 117530, 118990, 131215, 166586, 262430, 273677, 416465, 547354, 832930, 1368385, 1915739, 2736770, 3831478, 9578695, 19157390]

約数ペア:

[(1, 19157390), (2, 9578695), (5, 3831478), (7, 2736770), (10, 1915739), (14, 1368385), (23, 832930), (35, 547354), (46, 416465), (70, 273677), (73, 262430), (115, 166586), (146, 131215), (161, 118990), (163, 117530), (230, 83293), (322, 59495), (326, 58765), (365, 52486), (511, 37490), (730, 26243), (805, 23798), (815, 23506), (1022, 18745), (1141, 16790), (1610, 11899), (1630, 11753), (1679, 11410), (2282, 8395), (2555, 7498), (3358, 5705), (3749, 5110)]