19877460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5431}}^1$

素因数の和:5504

約数の個数: 48

約数和(自身を含む): 56579712

約数和(自身を除く): 36702252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 5431, 10862, 16293, 21724, 27155, 32586, 54310, 65172, 81465, 108620, 162930, 325860, 331291, 662582, 993873, 1325164, 1656455, 1987746, 3312910, 3975492, 4969365, 6625820, 9938730, 19877460]

約数ペア:

[(1, 19877460), (2, 9938730), (3, 6625820), (4, 4969365), (5, 3975492), (6, 3312910), (10, 1987746), (12, 1656455), (15, 1325164), (20, 993873), (30, 662582), (60, 331291), (61, 325860), (122, 162930), (183, 108620), (244, 81465), (305, 65172), (366, 54310), (610, 32586), (732, 27155), (915, 21724), (1220, 16293), (1830, 10862), (3660, 5431)]