19466564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 41669208

約数和(自身を除く): 22202644

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 61, 68, 76, 122, 221, 244, 247, 323, 361, 442, 494, 646, 722, 793, 884, 988, 1037, 1159, 1292, 1444, 1586, 2074, 2318, 3172, 4148, 4199, 4636, 4693, 6137, 8398, 9386, 12274, 13481, 15067, 16796, 18772, 19703, 22021, 24548, 26962, 30134, 39406, 44042, 53924, 60268, 78812, 79781, 88084, 159562, 256139, 286273, 319124, 374357, 512278, 572546, 748714, 1024556, 1145092, 1497428, 4866641, 9733282, 19466564]

約数ペア:

[(1, 19466564), (2, 9733282), (4, 4866641), (13, 1497428), (17, 1145092), (19, 1024556), (26, 748714), (34, 572546), (38, 512278), (52, 374357), (61, 319124), (68, 286273), (76, 256139), (122, 159562), (221, 88084), (244, 79781), (247, 78812), (323, 60268), (361, 53924), (442, 44042), (494, 39406), (646, 30134), (722, 26962), (793, 24548), (884, 22021), (988, 19703), (1037, 18772), (1159, 16796), (1292, 15067), (1444, 13481), (1586, 12274), (2074, 9386), (2318, 8398), (3172, 6137), (4148, 4693), (4199, 4636)]