19244238

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 45868032

約数和(自身を除く): 26623794

約数列:

[1, 2, 3, 6, 13, 17, 23, 26, 34, 39, 46, 51, 69, 78, 102, 138, 221, 299, 391, 442, 598, 631, 663, 782, 897, 1173, 1262, 1326, 1794, 1893, 2346, 3786, 5083, 8203, 10166, 10727, 14513, 15249, 16406, 21454, 24609, 29026, 30498, 32181, 43539, 49218, 64362, 87078, 139451, 188669, 246721, 278902, 377338, 418353, 493442, 566007, 740163, 836706, 1132014, 1480326, 3207373, 6414746, 9622119, 19244238]

約数ペア:

[(1, 19244238), (2, 9622119), (3, 6414746), (6, 3207373), (13, 1480326), (17, 1132014), (23, 836706), (26, 740163), (34, 566007), (39, 493442), (46, 418353), (51, 377338), (69, 278902), (78, 246721), (102, 188669), (138, 139451), (221, 87078), (299, 64362), (391, 49218), (442, 43539), (598, 32181), (631, 30498), (663, 29026), (782, 24609), (897, 21454), (1173, 16406), (1262, 15249), (1326, 14513), (1794, 10727), (1893, 10166), (2346, 8203), (3786, 5083)]