19287548

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 40388544

約数和(自身を除く): 21100996

約数列:

[1, 2, 4, 7, 14, 28, 41, 53, 82, 106, 164, 212, 287, 317, 371, 574, 634, 742, 1148, 1268, 1484, 2173, 2219, 4346, 4438, 8692, 8876, 12997, 15211, 16801, 25994, 30422, 33602, 51988, 60844, 67204, 90979, 117607, 181958, 235214, 363916, 470428, 688841, 1377682, 2755364, 4821887, 9643774, 19287548]

約数ペア:

[(1, 19287548), (2, 9643774), (4, 4821887), (7, 2755364), (14, 1377682), (28, 688841), (41, 470428), (53, 363916), (82, 235214), (106, 181958), (164, 117607), (212, 90979), (287, 67204), (317, 60844), (371, 51988), (574, 33602), (634, 30422), (742, 25994), (1148, 16801), (1268, 15211), (1484, 12997), (2173, 8876), (2219, 8692), (4346, 4438)]