19451060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3011}}^1$

素因数の和:3056

約数の個数: 48

約数和(自身を含む): 45541440

約数和(自身を除く): 26090380

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3011, 3230, 6022, 6460, 12044, 15055, 30110, 51187, 57209, 60220, 102374, 114418, 204748, 228836, 255935, 286045, 511870, 572090, 972553, 1023740, 1144180, 1945106, 3890212, 4862765, 9725530, 19451060]

約数ペア:

[(1, 19451060), (2, 9725530), (4, 4862765), (5, 3890212), (10, 1945106), (17, 1144180), (19, 1023740), (20, 972553), (34, 572090), (38, 511870), (68, 286045), (76, 255935), (85, 228836), (95, 204748), (170, 114418), (190, 102374), (323, 60220), (340, 57209), (380, 51187), (646, 30110), (1292, 15055), (1615, 12044), (3011, 6460), (3230, 6022)]