19958902910

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1\times {\mathrm{1621}}^1$

素因数の和:2237

約数の個数: 64

約数和(自身を含む): 37522699200

約数和(自身を除く): 17563796290

約数列:

[1, 2, 5, 10, 41, 59, 82, 118, 205, 295, 410, 509, 590, 1018, 1621, 2419, 2545, 3242, 4838, 5090, 8105, 12095, 16210, 20869, 24190, 30031, 41738, 60062, 66461, 95639, 104345, 132922, 150155, 191278, 208690, 300310, 332305, 478195, 664610, 825089, 956390, 1231271, 1650178, 2462542, 3921199, 4125445, 6156355, 7842398, 8250890, 12312710, 19605995, 33828649, 39211990, 48680251, 67657298, 97360502, 169143245, 243401255, 338286490, 486802510, 1995890291, 3991780582, 9979451455, 19958902910]

約数ペア:

[(1, 19958902910), (2, 9979451455), (5, 3991780582), (10, 1995890291), (41, 486802510), (59, 338286490), (82, 243401255), (118, 169143245), (205, 97360502), (295, 67657298), (410, 48680251), (509, 39211990), (590, 33828649), (1018, 19605995), (1621, 12312710), (2419, 8250890), (2545, 7842398), (3242, 6156355), (4838, 4125445), (5090, 3921199), (8105, 2462542), (12095, 1650178), (16210, 1231271), (20869, 956390), (24190, 825089), (30031, 664610), (41738, 478195), (60062, 332305), (66461, 300310), (95639, 208690), (104345, 191278), (132922, 150155)]