19616428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 39187456

約数和(自身を除く): 19571028

約数列:

[1, 2, 4, 13, 26, 31, 43, 52, 62, 86, 124, 172, 283, 403, 559, 566, 806, 1118, 1132, 1333, 1612, 2236, 2666, 3679, 5332, 7358, 8773, 12169, 14716, 17329, 17546, 24338, 34658, 35092, 48676, 69316, 114049, 158197, 228098, 316394, 377239, 456196, 632788, 754478, 1508956, 4904107, 9808214, 19616428]

約数ペア:

[(1, 19616428), (2, 9808214), (4, 4904107), (13, 1508956), (26, 754478), (31, 632788), (43, 456196), (52, 377239), (62, 316394), (86, 228098), (124, 158197), (172, 114049), (283, 69316), (403, 48676), (559, 35092), (566, 34658), (806, 24338), (1118, 17546), (1132, 17329), (1333, 14716), (1612, 12169), (2236, 8773), (2666, 7358), (3679, 5332)]