19432972

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 41504400

約数和(自身を除く): 22071428

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 89, 169, 178, 221, 247, 323, 338, 356, 442, 494, 646, 676, 884, 988, 1157, 1292, 1513, 1691, 2314, 2873, 3026, 3211, 3382, 4199, 4628, 5746, 6052, 6422, 6764, 8398, 11492, 12844, 15041, 16796, 19669, 21983, 28747, 30082, 39338, 43966, 54587, 57494, 60164, 78676, 87932, 109174, 114988, 218348, 255697, 285779, 373711, 511394, 571558, 747422, 1022788, 1143116, 1494844, 4858243, 9716486, 19432972]

約数ペア:

[(1, 19432972), (2, 9716486), (4, 4858243), (13, 1494844), (17, 1143116), (19, 1022788), (26, 747422), (34, 571558), (38, 511394), (52, 373711), (68, 285779), (76, 255697), (89, 218348), (169, 114988), (178, 109174), (221, 87932), (247, 78676), (323, 60164), (338, 57494), (356, 54587), (442, 43966), (494, 39338), (646, 30082), (676, 28747), (884, 21983), (988, 19669), (1157, 16796), (1292, 15041), (1513, 12844), (1691, 11492), (2314, 8398), (2873, 6764), (3026, 6422), (3211, 6052), (3382, 5746), (4199, 4628)]