19594640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:336

約数の個数: 80

約数和(自身を含む): 49871808

約数和(自身を除く): 30277168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 83, 104, 130, 166, 208, 227, 260, 332, 415, 454, 520, 664, 830, 908, 1040, 1079, 1135, 1328, 1660, 1816, 2158, 2270, 2951, 3320, 3632, 4316, 4540, 5395, 5902, 6640, 8632, 9080, 10790, 11804, 14755, 17264, 18160, 18841, 21580, 23608, 29510, 37682, 43160, 47216, 59020, 75364, 86320, 94205, 118040, 150728, 188410, 236080, 244933, 301456, 376820, 489866, 753640, 979732, 1224665, 1507280, 1959464, 2449330, 3918928, 4898660, 9797320, 19594640]

約数ペア:

[(1, 19594640), (2, 9797320), (4, 4898660), (5, 3918928), (8, 2449330), (10, 1959464), (13, 1507280), (16, 1224665), (20, 979732), (26, 753640), (40, 489866), (52, 376820), (65, 301456), (80, 244933), (83, 236080), (104, 188410), (130, 150728), (166, 118040), (208, 94205), (227, 86320), (260, 75364), (332, 59020), (415, 47216), (454, 43160), (520, 37682), (664, 29510), (830, 23608), (908, 21580), (1040, 18841), (1079, 18160), (1135, 17264), (1328, 14755), (1660, 11804), (1816, 10790), (2158, 9080), (2270, 8632), (2951, 6640), (3320, 5902), (3632, 5395), (4316, 4540)]