19826360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 27175240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 271, 295, 310, 472, 542, 590, 620, 1084, 1180, 1240, 1355, 1829, 2168, 2360, 2710, 3658, 5420, 7316, 8401, 9145, 10840, 14632, 15989, 16802, 18290, 31978, 33604, 36580, 42005, 63956, 67208, 73160, 79945, 84010, 127912, 159890, 168020, 319780, 336040, 495659, 639560, 991318, 1982636, 2478295, 3965272, 4956590, 9913180, 19826360]

約数ペア:

[(1, 19826360), (2, 9913180), (4, 4956590), (5, 3965272), (8, 2478295), (10, 1982636), (20, 991318), (31, 639560), (40, 495659), (59, 336040), (62, 319780), (118, 168020), (124, 159890), (155, 127912), (236, 84010), (248, 79945), (271, 73160), (295, 67208), (310, 63956), (472, 42005), (542, 36580), (590, 33604), (620, 31978), (1084, 18290), (1180, 16802), (1240, 15989), (1355, 14632), (1829, 10840), (2168, 9145), (2360, 8401), (2710, 7316), (3658, 5420)]