19727244

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:371

約数の個数: 72

約数和(自身を含む): 53114880

約数和(自身を除く): 33387636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 151, 171, 191, 228, 302, 342, 382, 453, 573, 604, 684, 764, 906, 1146, 1359, 1719, 1812, 2292, 2718, 2869, 3438, 3629, 5436, 5738, 6876, 7258, 8607, 10887, 11476, 14516, 17214, 21774, 25821, 28841, 32661, 34428, 43548, 51642, 57682, 65322, 86523, 103284, 115364, 130644, 173046, 259569, 346092, 519138, 547979, 1038276, 1095958, 1643937, 2191916, 3287874, 4931811, 6575748, 9863622, 19727244]

約数ペア:

[(1, 19727244), (2, 9863622), (3, 6575748), (4, 4931811), (6, 3287874), (9, 2191916), (12, 1643937), (18, 1095958), (19, 1038276), (36, 547979), (38, 519138), (57, 346092), (76, 259569), (114, 173046), (151, 130644), (171, 115364), (191, 103284), (228, 86523), (302, 65322), (342, 57682), (382, 51642), (453, 43548), (573, 34428), (604, 32661), (684, 28841), (764, 25821), (906, 21774), (1146, 17214), (1359, 14516), (1719, 11476), (1812, 10887), (2292, 8607), (2718, 7258), (2869, 6876), (3438, 5738), (3629, 5436)]