19153940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3203}}^1$

素因数の和:3248

約数の個数: 48

約数和(自身を含む): 45214848

約数和(自身を除く): 26060908

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 3203, 5980, 6406, 12812, 16015, 32030, 41639, 64060, 73669, 83278, 147338, 166556, 208195, 294676, 368345, 416390, 736690, 832780, 957697, 1473380, 1915394, 3830788, 4788485, 9576970, 19153940]

約数ペア:

[(1, 19153940), (2, 9576970), (4, 4788485), (5, 3830788), (10, 1915394), (13, 1473380), (20, 957697), (23, 832780), (26, 736690), (46, 416390), (52, 368345), (65, 294676), (92, 208195), (115, 166556), (130, 147338), (230, 83278), (260, 73669), (299, 64060), (460, 41639), (598, 32030), (1196, 16015), (1495, 12812), (2990, 6406), (3203, 5980)]