19537890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 49904640

約数和(自身を除く): 30366750

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 95, 114, 151, 190, 227, 285, 302, 453, 454, 570, 681, 755, 906, 1135, 1362, 1510, 2265, 2270, 2869, 3405, 4313, 4530, 5738, 6810, 8607, 8626, 12939, 14345, 17214, 21565, 25878, 28690, 34277, 43035, 43130, 64695, 68554, 86070, 102831, 129390, 171385, 205662, 342770, 514155, 651263, 1028310, 1302526, 1953789, 3256315, 3907578, 6512630, 9768945, 19537890]

約数ペア:

[(1, 19537890), (2, 9768945), (3, 6512630), (5, 3907578), (6, 3256315), (10, 1953789), (15, 1302526), (19, 1028310), (30, 651263), (38, 514155), (57, 342770), (95, 205662), (114, 171385), (151, 129390), (190, 102831), (227, 86070), (285, 68554), (302, 64695), (453, 43130), (454, 43035), (570, 34277), (681, 28690), (755, 25878), (906, 21565), (1135, 17214), (1362, 14345), (1510, 12939), (2265, 8626), (2270, 8607), (2869, 6810), (3405, 5738), (4313, 4530)]