19736700520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{191173}}^1$

素因数の和:191302

約数の個数: 64

約数和(自身を含む): 46455282000

約数和(自身を除く): 26718581480

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 178, 232, 290, 356, 445, 580, 712, 890, 1160, 1780, 2581, 3560, 5162, 10324, 12905, 20648, 25810, 51620, 103240, 191173, 382346, 764692, 955865, 1529384, 1911730, 3823460, 5544017, 7646920, 11088034, 17014397, 22176068, 27720085, 34028794, 44352136, 55440170, 68057588, 85071985, 110880340, 136115176, 170143970, 221760680, 340287940, 493417513, 680575880, 986835026, 1973670052, 2467087565, 3947340104, 4934175130, 9868350260, 19736700520]

約数ペア:

[(1, 19736700520), (2, 9868350260), (4, 4934175130), (5, 3947340104), (8, 2467087565), (10, 1973670052), (20, 986835026), (29, 680575880), (40, 493417513), (58, 340287940), (89, 221760680), (116, 170143970), (145, 136115176), (178, 110880340), (232, 85071985), (290, 68057588), (356, 55440170), (445, 44352136), (580, 34028794), (712, 27720085), (890, 22176068), (1160, 17014397), (1780, 11088034), (2581, 7646920), (3560, 5544017), (5162, 3823460), (10324, 1911730), (12905, 1529384), (20648, 955865), (25810, 764692), (51620, 382346), (103240, 191173)]