19433590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 21208970

約数列:

[1, 2, 5, 10, 11, 22, 31, 41, 55, 62, 82, 110, 139, 155, 205, 278, 310, 341, 410, 451, 682, 695, 902, 1271, 1390, 1529, 1705, 2255, 2542, 3058, 3410, 4309, 4510, 5699, 6355, 7645, 8618, 11398, 12710, 13981, 15290, 21545, 27962, 28495, 43090, 47399, 56990, 62689, 69905, 94798, 125378, 139810, 176669, 236995, 313445, 353338, 473990, 626890, 883345, 1766690, 1943359, 3886718, 9716795, 19433590]

約数ペア:

[(1, 19433590), (2, 9716795), (5, 3886718), (10, 1943359), (11, 1766690), (22, 883345), (31, 626890), (41, 473990), (55, 353338), (62, 313445), (82, 236995), (110, 176669), (139, 139810), (155, 125378), (205, 94798), (278, 69905), (310, 62689), (341, 56990), (410, 47399), (451, 43090), (682, 28495), (695, 27962), (902, 21545), (1271, 15290), (1390, 13981), (1529, 12710), (1705, 11398), (2255, 8618), (2542, 7645), (3058, 6355), (3410, 5699), (4309, 4510)]