19563260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 43890336

約数和(自身を除く): 24327076

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 353, 652, 706, 815, 1412, 1630, 1765, 2771, 3260, 3530, 5542, 6001, 7060, 11084, 12002, 13855, 24004, 27710, 30005, 55420, 57539, 60010, 115078, 120020, 230156, 287695, 575390, 978163, 1150780, 1956326, 3912652, 4890815, 9781630, 19563260]

約数ペア:

[(1, 19563260), (2, 9781630), (4, 4890815), (5, 3912652), (10, 1956326), (17, 1150780), (20, 978163), (34, 575390), (68, 287695), (85, 230156), (163, 120020), (170, 115078), (326, 60010), (340, 57539), (353, 55420), (652, 30005), (706, 27710), (815, 24004), (1412, 13855), (1630, 12002), (1765, 11084), (2771, 7060), (3260, 6001), (3530, 5542)]