19218224

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:365

約数の個数: 40

約数和(自身を含む): 38448432

約数和(自身を除く): 19230208

約数列:

[1, 2, 4, 8, 16, 53, 106, 131, 173, 212, 262, 346, 424, 524, 692, 848, 1048, 1384, 2096, 2768, 6943, 9169, 13886, 18338, 22663, 27772, 36676, 45326, 55544, 73352, 90652, 111088, 146704, 181304, 362608, 1201139, 2402278, 4804556, 9609112, 19218224]

約数ペア:

[(1, 19218224), (2, 9609112), (4, 4804556), (8, 2402278), (16, 1201139), (53, 362608), (106, 181304), (131, 146704), (173, 111088), (212, 90652), (262, 73352), (346, 55544), (424, 45326), (524, 36676), (692, 27772), (848, 22663), (1048, 18338), (1384, 13886), (2096, 9169), (2768, 6943)]