19876484

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{53}}^2\times {\mathrm{61}}^1$

素因数の和:200

約数の個数: 36

約数和(自身を含む): 37276260

約数和(自身を除く): 17399776

約数列:

[1, 2, 4, 29, 53, 58, 61, 106, 116, 122, 212, 244, 1537, 1769, 2809, 3074, 3233, 3538, 5618, 6148, 6466, 7076, 11236, 12932, 81461, 93757, 162922, 171349, 187514, 325844, 342698, 375028, 685396, 4969121, 9938242, 19876484]

約数ペア:

[(1, 19876484), (2, 9938242), (4, 4969121), (29, 685396), (53, 375028), (58, 342698), (61, 325844), (106, 187514), (116, 171349), (122, 162922), (212, 93757), (244, 81461), (1537, 12932), (1769, 11236), (2809, 7076), (3074, 6466), (3233, 6148), (3538, 5618)]