19005394780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{105037}}^1$

素因数の和:105238

約数の個数: 48

約数和(自身を含む): 40763147040

約数和(自身を除く): 21757752260

約数列:

[1, 2, 4, 5, 10, 20, 83, 109, 166, 218, 332, 415, 436, 545, 830, 1090, 1660, 2180, 9047, 18094, 36188, 45235, 90470, 105037, 180940, 210074, 420148, 525185, 1050370, 2100740, 8718071, 11449033, 17436142, 22898066, 34872284, 43590355, 45796132, 57245165, 87180710, 114490330, 174361420, 228980660, 950269739, 1900539478, 3801078956, 4751348695, 9502697390, 19005394780]

約数ペア:

[(1, 19005394780), (2, 9502697390), (4, 4751348695), (5, 3801078956), (10, 1900539478), (20, 950269739), (83, 228980660), (109, 174361420), (166, 114490330), (218, 87180710), (332, 57245165), (415, 45796132), (436, 43590355), (545, 34872284), (830, 22898066), (1090, 17436142), (1660, 11449033), (2180, 8718071), (9047, 2100740), (18094, 1050370), (36188, 525185), (45235, 420148), (90470, 210074), (105037, 180940)]