19347650

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 72

約数和(自身を含む): 42938100

約数和(自身を除く): 23590450

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 53, 70, 98, 106, 149, 175, 245, 265, 298, 350, 371, 490, 530, 742, 745, 1043, 1225, 1325, 1490, 1855, 2086, 2450, 2597, 2650, 3710, 3725, 5194, 5215, 7301, 7450, 7897, 9275, 10430, 12985, 14602, 15794, 18550, 25970, 26075, 36505, 39485, 52150, 55279, 64925, 73010, 78970, 110558, 129850, 182525, 197425, 276395, 365050, 386953, 394850, 552790, 773906, 1381975, 1934765, 2763950, 3869530, 9673825, 19347650]

約数ペア:

[(1, 19347650), (2, 9673825), (5, 3869530), (7, 2763950), (10, 1934765), (14, 1381975), (25, 773906), (35, 552790), (49, 394850), (50, 386953), (53, 365050), (70, 276395), (98, 197425), (106, 182525), (149, 129850), (175, 110558), (245, 78970), (265, 73010), (298, 64925), (350, 55279), (371, 52150), (490, 39485), (530, 36505), (742, 26075), (745, 25970), (1043, 18550), (1225, 15794), (1325, 14602), (1490, 12985), (1855, 10430), (2086, 9275), (2450, 7897), (2597, 7450), (2650, 7301), (3710, 5215), (3725, 5194)]