19017828

素因数分解:

$2^2\times 3^4\times {\mathrm{79}}^1\times {\mathrm{743}}^1$

素因数の和:838

約数の個数: 60

約数和(自身を含む): 50413440

約数和(自身を除く): 31395612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 316, 324, 474, 711, 743, 948, 1422, 1486, 2133, 2229, 2844, 2972, 4266, 4458, 6399, 6687, 8532, 8916, 12798, 13374, 20061, 25596, 26748, 40122, 58697, 60183, 80244, 117394, 120366, 176091, 234788, 240732, 352182, 528273, 704364, 1056546, 1584819, 2113092, 3169638, 4754457, 6339276, 9508914, 19017828]

約数ペア:

[(1, 19017828), (2, 9508914), (3, 6339276), (4, 4754457), (6, 3169638), (9, 2113092), (12, 1584819), (18, 1056546), (27, 704364), (36, 528273), (54, 352182), (79, 240732), (81, 234788), (108, 176091), (158, 120366), (162, 117394), (237, 80244), (316, 60183), (324, 58697), (474, 40122), (711, 26748), (743, 25596), (948, 20061), (1422, 13374), (1486, 12798), (2133, 8916), (2229, 8532), (2844, 6687), (2972, 6399), (4266, 4458)]