19038650

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:287

約数の個数: 48

約数和(自身を含む): 37283328

約数和(自身を除く): 18244678

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 142, 155, 173, 310, 346, 355, 710, 775, 865, 1550, 1730, 1775, 2201, 3550, 4325, 4402, 5363, 8650, 10726, 11005, 12283, 22010, 24566, 26815, 53630, 55025, 61415, 110050, 122830, 134075, 268150, 307075, 380773, 614150, 761546, 1903865, 3807730, 9519325, 19038650]

約数ペア:

[(1, 19038650), (2, 9519325), (5, 3807730), (10, 1903865), (25, 761546), (31, 614150), (50, 380773), (62, 307075), (71, 268150), (142, 134075), (155, 122830), (173, 110050), (310, 61415), (346, 55025), (355, 53630), (710, 26815), (775, 24566), (865, 22010), (1550, 12283), (1730, 11005), (1775, 10726), (2201, 8650), (3550, 5363), (4325, 4402)]