19691490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7213}}^1$

素因数の和:7243

約数の個数: 64

約数和(自身を含む): 58173696

約数和(自身を除く): 38482206

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7213, 14426, 21639, 36065, 43278, 50491, 72130, 93769, 100982, 108195, 151473, 187538, 216390, 252455, 281307, 302946, 468845, 504910, 562614, 656383, 757365, 937690, 1312766, 1406535, 1514730, 1969149, 2813070, 3281915, 3938298, 6563830, 9845745, 19691490]

約数ペア:

[(1, 19691490), (2, 9845745), (3, 6563830), (5, 3938298), (6, 3281915), (7, 2813070), (10, 1969149), (13, 1514730), (14, 1406535), (15, 1312766), (21, 937690), (26, 757365), (30, 656383), (35, 562614), (39, 504910), (42, 468845), (65, 302946), (70, 281307), (78, 252455), (91, 216390), (105, 187538), (130, 151473), (182, 108195), (195, 100982), (210, 93769), (273, 72130), (390, 50491), (455, 43278), (546, 36065), (910, 21639), (1365, 14426), (2730, 7213)]