19815708

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7901}}^1$

素因数の和:7938

約数の個数: 48

約数和(自身を含む): 53101440

約数和(自身を除く): 33285732

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 7901, 15802, 23703, 31604, 47406, 86911, 94812, 150119, 173822, 260733, 300238, 347644, 450357, 521466, 600476, 900714, 1042932, 1651309, 1801428, 3302618, 4953927, 6605236, 9907854, 19815708]

約数ペア:

[(1, 19815708), (2, 9907854), (3, 6605236), (4, 4953927), (6, 3302618), (11, 1801428), (12, 1651309), (19, 1042932), (22, 900714), (33, 600476), (38, 521466), (44, 450357), (57, 347644), (66, 300238), (76, 260733), (114, 173822), (132, 150119), (209, 94812), (228, 86911), (418, 47406), (627, 31604), (836, 23703), (1254, 15802), (2508, 7901)]