19997642322

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2601827}}^1$

素因数の和:2601903

約数の個数: 48

約数和(自身を含む): 50329760832

約数和(自身を除く): 30332118510

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 61, 63, 122, 126, 183, 366, 427, 549, 854, 1098, 1281, 2562, 3843, 7686, 2601827, 5203654, 7805481, 15610962, 18212789, 23416443, 36425578, 46832886, 54638367, 109276734, 158711447, 163915101, 317422894, 327830202, 476134341, 952268682, 1110980129, 1428403023, 2221960258, 2856806046, 3332940387, 6665880774, 9998821161, 19997642322]

約数ペア:

[(1, 19997642322), (2, 9998821161), (3, 6665880774), (6, 3332940387), (7, 2856806046), (9, 2221960258), (14, 1428403023), (18, 1110980129), (21, 952268682), (42, 476134341), (61, 327830202), (63, 317422894), (122, 163915101), (126, 158711447), (183, 109276734), (366, 54638367), (427, 46832886), (549, 36425578), (854, 23416443), (1098, 18212789), (1281, 15610962), (2562, 7805481), (3843, 5203654), (7686, 2601827)]