19432912784648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20873}}^1\times {\mathrm{622331}}^1$

素因数の和:643238

約数の個数: 64

約数和(自身を含む): 42089408464320

約数和(自身を除く): 22656495679672

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 20873, 41746, 83492, 166984, 229603, 354841, 459206, 622331, 709682, 918412, 1244662, 1419364, 1836824, 2489324, 2838728, 3903251, 4978648, 6845641, 7806502, 10579627, 13691282, 15613004, 21159254, 27382564, 31226008, 42318508, 54765128, 84637016, 116375897, 232751794, 465503588, 931007176, 12989914963, 25979829926, 51959659852, 103919319704, 142889064593, 220828554371, 285778129186, 441657108742, 571556258372, 883314217484, 1143112516744, 1766628434968, 2429114098081, 4858228196162, 9716456392324, 19432912784648]

約数ペア:

[(1, 19432912784648), (2, 9716456392324), (4, 4858228196162), (8, 2429114098081), (11, 1766628434968), (17, 1143112516744), (22, 883314217484), (34, 571556258372), (44, 441657108742), (68, 285778129186), (88, 220828554371), (136, 142889064593), (187, 103919319704), (374, 51959659852), (748, 25979829926), (1496, 12989914963), (20873, 931007176), (41746, 465503588), (83492, 232751794), (166984, 116375897), (229603, 84637016), (354841, 54765128), (459206, 42318508), (622331, 31226008), (709682, 27382564), (918412, 21159254), (1244662, 15613004), (1419364, 13691282), (1836824, 10579627), (2489324, 7806502), (2838728, 6845641), (3903251, 4978648)]