19547528

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2441}}^1$

素因数の和:2478

約数の個数: 64

約数和(自身を含む): 49230720

約数和(自身を除く): 29683192

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2441, 4004, 4882, 8008, 9764, 17087, 19528, 26851, 31733, 34174, 53702, 63466, 68348, 107404, 126932, 136696, 187957, 214808, 222131, 253864, 349063, 375914, 444262, 698126, 751828, 888524, 1396252, 1503656, 1777048, 2443441, 2792504, 4886882, 9773764, 19547528]

約数ペア:

[(1, 19547528), (2, 9773764), (4, 4886882), (7, 2792504), (8, 2443441), (11, 1777048), (13, 1503656), (14, 1396252), (22, 888524), (26, 751828), (28, 698126), (44, 444262), (52, 375914), (56, 349063), (77, 253864), (88, 222131), (91, 214808), (104, 187957), (143, 136696), (154, 126932), (182, 107404), (286, 68348), (308, 63466), (364, 53702), (572, 34174), (616, 31733), (728, 26851), (1001, 19528), (1144, 17087), (2002, 9764), (2441, 8008), (4004, 4882)]