19628338

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 32006016

約数和(自身を除く): 12377678

約数列:

[1, 2, 23, 46, 53, 83, 97, 106, 166, 194, 1219, 1909, 2231, 2438, 3818, 4399, 4462, 5141, 8051, 8798, 10282, 16102, 101177, 118243, 185173, 202354, 236486, 370346, 426703, 853406, 9814169, 19628338]

約数ペア:

[(1, 19628338), (2, 9814169), (23, 853406), (46, 426703), (53, 370346), (83, 236486), (97, 202354), (106, 185173), (166, 118243), (194, 101177), (1219, 16102), (1909, 10282), (2231, 8798), (2438, 8051), (3818, 5141), (4399, 4462)]