19270180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 45509688

約数和(自身を除く): 26239508

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 157, 170, 190, 314, 323, 340, 361, 380, 628, 646, 722, 785, 1292, 1444, 1570, 1615, 1805, 2669, 2983, 3140, 3230, 3610, 5338, 5966, 6137, 6460, 7220, 10676, 11932, 12274, 13345, 14915, 24548, 26690, 29830, 30685, 50711, 53380, 56677, 59660, 61370, 101422, 113354, 122740, 202844, 226708, 253555, 283385, 507110, 566770, 963509, 1014220, 1133540, 1927018, 3854036, 4817545, 9635090, 19270180]

約数ペア:

[(1, 19270180), (2, 9635090), (4, 4817545), (5, 3854036), (10, 1927018), (17, 1133540), (19, 1014220), (20, 963509), (34, 566770), (38, 507110), (68, 283385), (76, 253555), (85, 226708), (95, 202844), (157, 122740), (170, 113354), (190, 101422), (314, 61370), (323, 59660), (340, 56677), (361, 53380), (380, 50711), (628, 30685), (646, 29830), (722, 26690), (785, 24548), (1292, 14915), (1444, 13345), (1570, 12274), (1615, 11932), (1805, 10676), (2669, 7220), (2983, 6460), (3140, 6137), (3230, 5966), (3610, 5338)]