19539650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1355

約数の個数: 48

約数和(自身を含む): 40872384

約数和(自身を除く): 21332734

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 130, 230, 299, 325, 575, 598, 650, 1150, 1307, 1495, 2614, 2990, 6535, 7475, 13070, 14950, 16991, 30061, 32675, 33982, 60122, 65350, 84955, 150305, 169910, 300610, 390793, 424775, 751525, 781586, 849550, 1503050, 1953965, 3907930, 9769825, 19539650]

約数ペア:

[(1, 19539650), (2, 9769825), (5, 3907930), (10, 1953965), (13, 1503050), (23, 849550), (25, 781586), (26, 751525), (46, 424775), (50, 390793), (65, 300610), (115, 169910), (130, 150305), (230, 84955), (299, 65350), (325, 60122), (575, 33982), (598, 32675), (650, 30061), (1150, 16991), (1307, 14950), (1495, 13070), (2614, 7475), (2990, 6535)]