19204770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2141}}^1$

素因数の和:2187

約数の個数: 64

約数和(自身を含む): 51819264

約数和(自身を除く): 32614494

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2141, 2990, 4282, 4485, 6423, 8970, 10705, 12846, 21410, 27833, 32115, 49243, 55666, 64230, 83499, 98486, 139165, 147729, 166998, 246215, 278330, 295458, 417495, 492430, 640159, 738645, 834990, 1280318, 1477290, 1920477, 3200795, 3840954, 6401590, 9602385, 19204770]

約数ペア:

[(1, 19204770), (2, 9602385), (3, 6401590), (5, 3840954), (6, 3200795), (10, 1920477), (13, 1477290), (15, 1280318), (23, 834990), (26, 738645), (30, 640159), (39, 492430), (46, 417495), (65, 295458), (69, 278330), (78, 246215), (115, 166998), (130, 147729), (138, 139165), (195, 98486), (230, 83499), (299, 64230), (345, 55666), (390, 49243), (598, 32115), (690, 27833), (897, 21410), (1495, 12846), (1794, 10705), (2141, 8970), (2990, 6423), (4282, 4485)]