19678112

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 41762952

約数和(自身を除く): 22084840

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 68, 122, 136, 244, 272, 488, 544, 593, 976, 1037, 1186, 1952, 2074, 2372, 4148, 4744, 8296, 9488, 10081, 16592, 18976, 20162, 33184, 36173, 40324, 72346, 80648, 144692, 161296, 289384, 322592, 578768, 614941, 1157536, 1229882, 2459764, 4919528, 9839056, 19678112]

約数ペア:

[(1, 19678112), (2, 9839056), (4, 4919528), (8, 2459764), (16, 1229882), (17, 1157536), (32, 614941), (34, 578768), (61, 322592), (68, 289384), (122, 161296), (136, 144692), (244, 80648), (272, 72346), (488, 40324), (544, 36173), (593, 33184), (976, 20162), (1037, 18976), (1186, 16592), (1952, 10081), (2074, 9488), (2372, 8296), (4148, 4744)]